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Nanyeenya, W.N.Mugisha, J.Staal, Steven J.Baltenweck, IsabelleRomney, D.L.Fawcett, R.H.Halberg, N.[Risk attitudes, resource rationalization and dairy intensification in Uganda: stochastic dominance with observed and optimal net farm benefits.]Risk attitudes, resource rationalization and dairy intensification in Uganda: stochastic dominance with observed and optimal net farm benefits.

The objective of this work was to determine the applicability of the dry-weight-rank (DWR) method for evaluating the botanical composition of forest understorey vegetation. An analysis of plant species abundance was carried out, and instead of ranking the three most abundant species, as is common...


González Estrada, E.Fawcett, R.H.Herrero, Mario T.[Integrating models of relative abundance of species with the dry-weight-rank method for the botanical analysis of forest understorey vegetation]Integrating models of relative abundance of species with the dry-weight-rank method for the botanical analysis of forest understorey vegetation

The objective of this work was to develop a Decision-Support System (DSS) in order to support the decision making process by campesino farmers of Central Mexico. Two biological models, one socio-economic model and a survey database form the DSS. The CERES-Maize model simulated the yield response ...


Castelán-Ortega, O.A.Fawcett, R.H.Arriaga-Jordán, C.Herrero, Mario T.[A Decision Support System for smallholder campesino maize-cattle production systems of the Toluca Valley in Central Mexico. Part I—Integrating biological and socio-economic models into a holistic system]A Decision Support System for smallholder campesino maize-cattle production systems of the Toluca Valley in Central Mexico. Part I—Integrating biological and socio-economic models into a holistic system

This paper describes the functioning and validation of the Decision Support Systems described in the first part of the paper. The DSS ran three case studies with different farm sizes that represent the range of farmers found in the Valley. The DSS results were validated against survey data for th...


Castelán-Ortega, O.A.Fawcett, R.H.Arriaga-Jordán, C.Herrero, Mario T.[A Decision Support System for smallholder campesino maize-cattle production systems of the Toluca Valley in Central Mexico. Part II—Emulating the farming system]A Decision Support System for smallholder campesino maize-cattle production systems of the Toluca Valley in Central Mexico. Part II—Emulating the farming system

A study was carried out to test: (1) if the prediction of in vitro gas production of kikuyu grass (Pennisetum clandestinum) samples by near-infrared reflectance spectroscopy (NIRS) could be improved by the use of a spectrally-structured sample population; and (2) if the parameters from exponentia...


Herrero, Mario T.Jessop, N.S.Fawcett, R.H.Murray, I.Dent, J.B.[Prediction of the in vitro gas production dynamics of kikuyu grass by near-infrared reflectance spectroscopy using spectrally-structured sample populations]Prediction of the in vitro gas production dynamics of kikuyu grass by near-infrared reflectance spectroscopy using spectrally-structured sample populations
Castelán-Ortega, O.A.Fawcett, R.H.Arriaga-Jordán, C.Herrero, Mario T.[Integrating simulation models to support decision making by campesino maize-cattle farmers of the Toluca Valley in Central Mexico]Integrating simulation models to support decision making by campesino maize-cattle farmers of the Toluca Valley in Central Mexico
Herrero, Mario T.Fawcett, R.H.Pérez, E.Solano, C.Baars, R.Dent, J.B.[Nutritional management options for tropical dairy farms: A modelling approach]Nutritional management options for tropical dairy farms: A modelling approach
Castelán, O.Fawcett, R.H.Arriaga, C.Rodríguez, M.A.Herrero, Mario T.[Degradabilidad de forrajes utilizados por campesinos lecheros del Valle de Toluca mediante la tecnica de producción de gas]Degradabilidad de forrajes utilizados por campesinos lecheros del Valle de Toluca mediante la tecnica de producción de gas
Herrero, Mario T.Fawcett, R.H.Castelán, O.Silveira, V.Bernués, A.Solano, C.[Progress in modelling livestock production systems in Latin America]Progress in modelling livestock production systems in Latin America
Herrero, Mario T.Fawcett, R.H.Pérez, E.Dent, J.B.[The role of systems research in grazing management: applications to sustainable cattle production in Latin America]The role of systems research in grazing management: applications to sustainable cattle production in Latin America

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